# encoding=utf-8

import os
import json
from app import app 
from flask import Flask, flash, render_template, request, redirect, url_for
from flask_wtf import FlaskForm
from flask_bootstrap import Bootstrap
from wtforms import StringField, PasswordField, BooleanField 
from wtforms.fields.html5 import DateField 
from wtforms.validators import InputRequired, Email, Length
from routes import *
from logging import error, info
from subprocess import STDOUT, CalledProcessError, check_output
from itertools import islice
import json

def get_namespaces():
    command = "/usr/local/bin/kubectl get ns -ojson"
    info(f"Running command: {command}")
    try:
        output = check_output(command.split(" "), stderr=STDOUT).decode("utf-8")
    except CalledProcessError as err:
        error(err.output.decode("utf-8"))
        raise err
    info(f"Output from command:\n{output}")
    data = json.loads(output)
    return data

@app.route('/', methods=['GET', 'POST'])
def namespacesForm():
    form = deploySelectForm()
    namespaces = get_namespaces()
    print('Here we are')
    if form.validate_on_submit():
        return redirect(url_for('/'))
#    return '<h1>Something went wrong there</h1>'

    return render_template('index.html', namespaces=namespaces, form=form)

if __name__ == "__main__":
    app.run(host='0.0.0.0', port=3000, debug=True)